Control the mouse pointer and buttons with the phone's screen (using touch
screen phones)

Manage the time of your presentation using the on-screen timer

What does it look like ?

On a Touch enabled phone

On a Smartphone with a keyboard

How does it work ?

Controlling PowerPoint from your Windows Phone requires the installation of a software on your PC and an other on your Windows Phone.

Once installed, you can use either Bluetooth or Wifi hardware which ever your Mobile Phone and PC supports.
Using bluetooth is recommended as it is more energy efficient, but is less ubiquitous on PCs than Wifi.